单项选择题

The utilization of hydroelectric resources should be stepped up.

A. sustained
B. increased
C. supported
D. encouraged
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The person who told the story is probably a ______.
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B. policeman
C. country doctor
D. newspaper
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A. 8:40 a.m. B. 9:40 a.m. C. 10:10 a.m. D. 11:40 a.m.
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B. 9:40 a.m.
C. 10:10 a.m.
D. 11:40 a.m.
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